CatalysisRNARNA, Small InterferingRNA, ViralRNA SplicingRNA EditingRNA, RibosomalRNA, BacterialRNA, CatalyticDNA-Directed RNA PolymerasesRNA VirusesRNA InterferenceRNA, MessengerRNA, Double-StrandedKineticsMolecular Sequence DataModels, MolecularBinding SitesRNA FoldingRNA Polymerase IIBiocatalysisCatalytic DomainRNA, FungalNucleic Acid ConformationAmino Acid SequenceSubstrate SpecificityBase SequenceRNA, TransferRNA StabilityRNA HelicasesRNA Processing, Post-TranscriptionalRNA, AntisenseCrystallography, X-RayRNA, Small NuclearEscherichia coliMutagenesis, Site-DirectedRNA PrecursorsRNA, UntranslatedRNA CapsSequence Analysis, RNAProtein ConformationRNA, PlantRNA, ProtozoanMutationProtein BindingRNA Ligase (ATP)RNA, NeoplasmProtein Structure, TertiaryDEAD-box RNA HelicasesModels, ChemicalRNA Polymerase IIISequence Homology, Amino AcidRecombinant ProteinsHydrogen-Ion ConcentrationHydrolysisRNA Polymerase IRNA, NuclearStructure-Activity RelationshipRNA, GuideRNA, Ribosomal, 28SMolecular StructureRNA-Binding ProteinsRNA, Ribosomal, 23SRNA, Ribosomal, 18SHydrogen BondingHistidineDNAConserved SequenceRNA TransportRNA, Spliced LeaderAntibodies, CatalyticRNA, SatelliteOxidation-ReductionCell LineMagnesiumOligoribonucleotidesStereoisomerismDNA PrimersRNA, ArchaealBacterial ProteinsThermodynamicsRNA CleavageProtein BiosynthesisEndoribonucleasesRNA, Ribosomal, 16SRibonucleasesProtein Structure, SecondarySaccharomyces cerevisiaeNucleic Acid HybridizationEnzyme StabilityPlasmidsTranscription, GeneticTemperatureAmino Acid SubstitutionMetalsEnzymesVirus ReplicationTemplates, GeneticRibonucleoproteinsHeLa Cells